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冠状动脉成形术(桡动脉入路)

ID: ANCE00174chis
医疗动画文字记录:冠状动脉成形术也称为经皮冠状动脉介入治疗。这个手术是在冠状动脉血管上完成的,它们为心肌提供氧气。如果一种叫做斑块的物质使这些血管明显狭窄,那么我们的目标是恢复血流。手术开始前,医生会麻醉你手腕上的皮肤。将一根针穿过皮肤进入桡动脉。接下来,将一根柔软的导丝通过针进入动脉。然后,取出针。它将被一种叫做鞘的小而灵活的管子替换。这样就可以进入动脉。当医生插入鞘时,你可能会感到有压力,但你不会感觉到它在你的动脉内移动。接下来,导丝会进入心脏。一根柔性导管将通过导线进入冠状动脉。由一种称为荧光镜的X光设备来监测手术过程。这时,医生会取出导丝。然后,医生会将导管的尖端移动到冠状动脉内进行检查。向动脉注入一种特殊的染料。这可以让医生用透视镜更好地观察动脉。这种染料能使动脉中的任何阻塞物都清晰可见。如果发现明显的堵塞,医生会在动脉中插入导丝。导管顶端的球囊将沿着导线移动到堵塞处。当球囊膨胀时,它会扩张动脉,改善血液流动。当这种情况发生时,你可能会感到胸部不适。之后,医生会放气并取出球囊。在治疗区域可以放置金属网管支架。支架有助于保持冠状动脉畅通。医生会选择合适大小的支架,它是在球囊上压缩的。支架将通过相同的导丝移入动脉。当球囊膨胀时,支架就会膨胀并固定在原位。取出球囊导管后,支架将停留在适当的位置以保持动脉畅通。在手术结束时,取出导丝。要了解更多关于冠状动脉血管成形术的信息,请咨询医生。

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